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    Method of making shaped ceramic composites with the use of a barrier and articles produced thereby
    2.
    发明授权
    Method of making shaped ceramic composites with the use of a barrier and articles produced thereby 失效
    使用阻挡物制造成形陶瓷复合材料的方法和由此制备的制品

    公开(公告)号：US5340655A

    公开(公告)日：1994-08-23

    申请号：US819308

    申请日：1992-01-09

    申请人： David K. Creber ,  William B. Johnson ,  Marc S. Newkirk

    发明人： David K. Creber ,  William B. Johnson ,  Marc S. Newkirk

    IPC分类号： C04B35/65 ,  C04B35/71 ,  C04B35/80 ,  B32B9/04

    CPC分类号： C04B35/652 ,  C04B35/71 ,  C04B35/80 ,  Y10T428/12007

    摘要： In the present invention, there is provided a method for producing a self-supporting ceramic or ceramic composite body by the oxidation of a parent metal to form a polycrystalline ceramic material comprising the oxidation reaction product of said parent metal with an oxidant, including a vapor-phase oxidant, and optionally one or more metallic constituents dispersed throughout the polycrystalline ceramic material. The method comprises the steps of providing at least a portion of said parent metal with a barrier means at least partially spaced from said parent metal for establishing at least one surface of the ceramic body, and heating said parent metal to a temperature above its melting point but below the melting point of the oxidation reaction product to form a body of molten metal. At that temperature, the molten metal is reacted with the oxidant, thus forming the oxidation reaction product. At least a portion of the oxidation reaction product is maintained in contact with and between the molten metal and oxidant to transport the molten metal through the oxidation reaction product toward the barrier means and into contact with the oxidant so that fresh oxidation reaction product continues to form at an interface between the oxidant and previously formed oxidation reaction product. The reaction is continued until the oxidation reaction product contacts the barrier means to produce a ceramic body having the surface established by the barrier means. A shaped ceramic composite is formed by superimposing a barrier means onto either a loose mass of filler material or a self-supporting preform, and infiltrating the mass of filler or preform with the polycrystalline ceramic matrix, which grows until it contacts the barrier means.

    摘要翻译： 在本发明中，提供了一种通过母体金属的氧化制造自支撑陶瓷或陶瓷复合体的方法，以形成多晶陶瓷材料，该多晶陶瓷材料包括所述母体金属的氧化反应产物与氧化剂，包括蒸汽 相氧化剂和任选的一种或多种分散在整个多晶陶瓷材料中的金属成分。 该方法包括以下步骤：使所述母体金属的至少一部分具有与所述母体金属至少部分间隔开的阻挡装置，用于建立陶瓷体的至少一个表面，并将所述母体金属加热到高于其熔点的温度 但低于氧化反应产物的熔点以形成熔融金属体。 在该温度下，熔融金属与氧化剂反应，形成氧化反应产物。 氧化反应产物的至少一部分保持与熔融金属和氧化剂接触并且在熔融金属和氧化剂之间输送熔融金属通过氧化反应产物朝向阻挡装置并与氧化剂接触，使得新鲜的氧化反应产物继续形成 在氧化剂和预先形成的氧化反应产物之间的界面处。 反应继续进行，直到氧化反应产物与阻挡装置接触以产生具有通过阻挡装置建立的表面的陶瓷体。 通过将隔离装置叠加在松散的填充材料或自支撑预成型件上，并将多孔陶瓷基体浸入填料或预成型体中，形成成形的陶瓷复合材料，该多晶陶瓷基体生长直至与阻挡装置接触。

    Process for preparing self-supporting bodies and products produced thereby
    3.
    发明授权
    Process for preparing self-supporting bodies and products produced thereby 失效
    制备自支撑体及其生产产品的方法

    公开(公告)号：US5238883A

    公开(公告)日：1993-08-24

    申请号：US551747

    申请日：1990-07-12

    申请人： Marc S. Newkirk ,  William B. Johnson

    发明人： Marc S. Newkirk ,  William B. Johnson

    IPC分类号： C04B35/56 ,  C04B35/58 ,  C04B35/65 ,  C22C1/10

    CPC分类号： C04B35/5622 ,  C04B35/5611 ,  C04B35/563 ,  C04B35/5805 ,  C04B35/58071 ,  C04B35/58078 ,  C04B35/652 ,  C22C1/1036 ,  C22C2001/1057

    摘要： Self-supporting bodies are produced by reactive infiltration of a parent metal into a boron donor material and a carbon donor material. The reactive infiltration typically results in a composite comprising a boron-containing compound, a carbon-containing compound and residual metal, if desired. The mass to be infiltrated may contain one or more inert fillers admixed with the boron donor material and carbon donor material. The relative amounts of reactants and process conditions may be altered or controlled to yield a body containing a wide ranging varying volume percentage of ceramic, metal, and porosity.

    摘要翻译： 自支撑体通过母体金属的反应性渗透进入硼给体材料和碳供体材料而产生。 如果需要，反应性渗透通常导致包含含硼化合物，含碳化合物和残余金属的复合材料。 待渗透的物质可以含有一种或多种与硼供体材料和碳供体材料混合的惰性填料。 可以改变或控制反应物和工艺条件的相对量，以产生包含陶瓷，金属和孔隙率的广泛变化体积百分比的物体。

    Shaped self-supporting ceramic composite bodies comprising silicon nitrides
    4.
    发明授权
    Shaped self-supporting ceramic composite bodies comprising silicon nitrides 失效
    包括氮化硅的成形自支撑陶瓷复合体

    公开(公告)号：US5356720A

    公开(公告)日：1994-10-18

    申请号：US68567

    申请日：1993-05-28

    申请人： David K. Creber ,  William B. Johnson ,  Marc S. Newkirk

    发明人： David K. Creber ,  William B. Johnson ,  Marc S. Newkirk

    IPC分类号： C04B35/65 ,  C04B35/71 ,  C04B35/80

    CPC分类号： C04B35/652 ,  C04B35/71 ,  C04B35/80 ,  Y10T428/12007

    摘要： The present invention relates to self-supporting ceramics or ceramic composite bodies which include a polycrystalline ceramic material comprising the oxidation reaction product of a silicon parent metal with a nitrogenous oxidant, including a nitrogenous vapor-phase oxidant, and optionally, one or more metallic constituents dispersed throughout the polycrystalline ceramic material. A barrier means comprising, for example, at least one of titanium nitride, zirconium nitride, aluminum nitride and boron nitride or a barrier means that has undergone chemical changes or alterations may be removably attached to the self-supporting ceramics or ceramic composite bodies of the present invention.

    摘要翻译： 本发明涉及自支撑陶瓷或陶瓷复合体，其包括多晶陶瓷材料，其包含硅母体金属与含氮氧化剂的氧化反应产物，其包含含氮气相氧化剂，以及任选的一种或多种金属组分 分散在整个多晶陶瓷材料中。 包括例如氮化钛，氮化锆，氮化铝和氮化硼中的至少一种或经历化学变化或变化的阻挡装置的阻挡装置可以可移除地附接到自支撑陶瓷或陶瓷复合体 本发明。

    Method of forming a filler material for use in various metal matrix composite body formation processes
    6.
    发明授权
    Method of forming a filler material for use in various metal matrix composite body formation processes 失效
    形成用于各种金属基复合体形成工艺中的填充材料的方法

    公开(公告)号：US5329984A

    公开(公告)日：1994-07-19

    申请号：US59441

    申请日：1993-05-07

    申请人： Marc S. Newkirk ,  Mark G. Mortenson

    发明人： Marc S. Newkirk ,  Mark G. Mortenson

    IPC分类号： B22F1/02 ,  C22C1/10 ,  B22D19/14 ,  B01J2/00

    CPC分类号： C22C1/1036 ,  B22F1/025 ,  C22C2001/1063

    摘要： The present invention relates to a novel process for forming a filler material which can be used in various metal matrix composite formation processes for forming metal matrix composite bodies. Particularly, an infiltration enhancer or an infiltration enhancer precursor or an infiltrating atmosphere are in communication with a filler material or a preform, at least at some point during the process, which permits molten matrix metal to spontaneously infiltrate the filler material or preform. Such spontaneous infiltration occurs without the requirement for the application of any pressure or vacuum. The amount of matrix metal provided is sufficient only to coat, to a desired thickness, substantially all of the filler material. The coated filler material is thereafter comminuted for use in any desired metal matrix composite formation process.

    摘要翻译： 本发明涉及可用于形成金属基质复合体的各种金属基复合材料形成方法中的填充材料的形成方法。 特别地，渗透增强剂或渗透增强剂前体或渗透气氛至少在该过程中的某一点处与填料或预型体连通，这允许熔融基体金属自发地渗入填料或预型体。 发生这种自发性渗透，而不需要施加任何压力或真空。 提供的基体金属的量足以仅涂覆到所需的厚度，基本上全部填充材料。 然后将涂覆的填充材料粉碎以用于任何所需的金属基质复合物形成工艺。

    Method of modifying the properties of a metal matrix composite body
    7.
    发明授权
    Method of modifying the properties of a metal matrix composite body 失效
    改性金属基复合体的性能的方法

    公开(公告)号：US5301738A

    公开(公告)日：1994-04-12

    申请号：US841241

    申请日：1992-02-24

    申请人： Marc S. Newkirk ,  Andrew W. Urquhart ,  Michael K. Aghajanian ,  Mark G. Mortenson ,  Vilupanur A. Ravi ,  Alan S. Nagelberg

    发明人： Marc S. Newkirk ,  Andrew W. Urquhart ,  Michael K. Aghajanian ,  Mark G. Mortenson ,  Vilupanur A. Ravi ,  Alan S. Nagelberg

    IPC分类号： C04B41/52 ,  C04B41/89 ,  C22C1/10 ,  B22D19/14

    CPC分类号： C04B41/52 ,  C04B41/89 ,  C22C1/1036

    摘要： The present invention relates to modifying the properties of a metal matrix composite body by a post formation process modification treatment. The post formation process treatment may be applicable to a variety of metal matrix composite bodies produced by various techniques, and is particularly applicable to modifying the properties of a metal matrix composite body produced by a spontaneous infiltration technique. Particularly, at least a portion of the matrix metal of the metal matrix composite body and/or the filler material of the metal matrix composite body is modified or altered after the formation process. Preferably, the preform contains a second non-metal material, an infiltration enhancer of infiltration enhancer precursor, and an infiltration atmosphere.

    摘要翻译： 本发明涉及通过后形成工艺改性处理改性金属基复合体的性能。 后形成处理可以适用于通过各种技术制造的各种金属基复合体，特别适用于通过自发渗透技术制造的金属基复合体的特性。 特别地，金属基体复合体的基体金属的至少一部分和/或金属基复合体的填充材料在形成工序之后被修改或改变。 优选地，预成型体包含第二非金属材料，渗透增强剂前体的渗透增强剂和渗透气氛。

    Inverse shape replication method of making ceramic composite articles and articles obtained thereby
    8.
    发明授权
    Inverse shape replication method of making ceramic composite articles and articles obtained thereby 失效
    制造陶瓷复合制品的反型复制方法及由此得到的制品

    公开(公告)号：US5275987A

    公开(公告)日：1994-01-04

    申请号：US983191

    申请日：1992-11-30

    申请人： Marc S. Newkirk ,  Andrew W. Urquhart ,  H. Daniel Lesher

    发明人： Marc S. Newkirk ,  Andrew W. Urquhart ,  H. Daniel Lesher

    IPC分类号： C04B35/622 ,  C04B35/117 ,  C04B35/65 ,  C04B35/10

    CPC分类号： C04B35/117 ,  C04B35/652 ,  C04B2235/3217 ,  C04B2235/3418 ,  C04B2235/3826 ,  C04B2235/401 ,  C04B2235/402 ,  C04B2235/428 ,  C04B2235/6028 ,  C04B2235/80 ,  Y10T428/249987

    摘要： A method of producing a self-supporting ceramic composite body having therein at least one cavity which inversely replicates the geometry of a positive mold of parent metal. The method includes embedding the mold of parent metal within a conformable bed of filler to provide therein a cavity shaped and filled by the mold. The assembly is heated to melt the parent metal mold, e.g., an aluminum parent metal mold, and contacted with an oxidant to oxidize the molten parent metal to form a polycrystalline material which grows through the surrounding bed of filler, the molten metal being drawn through the growing polycrystalline material to be oxidized at the interface between the oxidant and previously formed oxidation reaction product whereby the cavity formerly filled by the mold of parent metal is eventually evacuated of the metal. There remains behind a cavity whose shape inversely replicates the original shape of the mold. The method provides ceramic composite articles having therein at least one cavity inversely replicating the shape of the mold which supplied the parent metal for oxidation.

    摘要翻译： 一种自支撑陶瓷复合体的制造方法，其中具有至少一个反向复制母体金属正模的几何形状的空腔。 该方法包括将母体金属模具嵌入到适形的填料床中，以在其中提供由模具成型并填充的空腔。 将组件加热以熔化母体金属模具，例如铝母体金属模具，并与氧化剂接触以氧化熔融母体金属，以形成通过周围的填料床生长的多晶材料，熔融金属被吸入 在氧化剂和预先形成的氧化反应产物之间的界面处被氧化的生长中的多晶材料，由此母体金属的模具以前被填充的空腔最终被排出金属。 在其后面仍然存在一个模腔，其形状相反地复制了模具的原始形状。 该方法提供了陶瓷复合材料制品，其中具有至少一个空腔，其相反地复制了供应母体金属进行氧化的模具的形状。

    Method for producing ceramic abrasive materials and materials produced thereby
    9.
    发明授权
    Method for producing ceramic abrasive materials and materials produced thereby 失效
    制造陶瓷研磨材料的方法和由此制备的材料

    公开(公告)号：US5213592A

    公开(公告)日：1993-05-25

    申请号：US867848

    申请日：1992-04-13

    申请人： Marc S. Newkirk

    发明人： Marc S. Newkirk

    IPC分类号： C04B35/65 ,  C09K3/14

    CPC分类号： C04B35/652 ,  C09K3/1409

    摘要： In the present invention there is provided a method for producing abrasive ceramic and ceramic composite material characterized by an abrasive grain as the comminuted form of a polycrystalline ceramic material. The abrasive grains of the present invention consist essentially of the oxidation reaction product of a parent metal precursor with a vapor phase oxidant, and, optionally one or more metallic constituents such as non-oxidized constituents of the parent metal. There is also provided a method for producing abrasive grains which additionally consist of one or more inert filler materials.

    摘要翻译： 在本发明中，提供了一种制造磨料陶瓷和陶瓷复合材料的方法，其特征在于磨粒作为粉碎形式的多晶陶瓷材料。 本发明的磨粒主要由母体金属前体与气相氧化剂的氧化反应产物和任选的一种或多种金属组分如母体金属的未氧化成分组成。 还提供了另外由一种或多种惰性填料构成的用于生产磨粒的方法。

    Ceramic composite articles with shape replicated surfaces
    10.
    发明授权
    Ceramic composite articles with shape replicated surfaces 失效
    具有形状复制表面的陶瓷复合制品

    公开(公告)号：US5212124A

    公开(公告)日：1993-05-18

    申请号：US657290

    申请日：1991-02-19

    申请人： Marc S. Newkirk

    发明人： Marc S. Newkirk

    IPC分类号： B28B7/34 ,  C04B35/65

    CPC分类号： B28B7/342 ,  C04B35/652

    摘要： A method for producing a self-supporting ceramic composite body having a negative pattern which inversely replicates the positive pattern of a parent metal precursor having thereon a positive pattern section which is emplaced in conforming engagement with a bed of conformable filler. The parent metal precursor, which also has a non-replicating section, is melted and reacted with an oxidant to form a polycrystalline oxidation reaction product which grows primarily only from the positive pattern section of the parent metal precursor and through the filler. The molten parent metal is drawn through the growing polycrystalline material and oxidized at the interface between the oxidant and previously formed oxidation reaction product. The reaction is continued for sufficient time to at least partially embed the filler within the oxidation reaction product and form the ceramic composite body containing a negative pattern which inversely replicates the positive pattern of the parent metal precursor.

    摘要翻译： 一种具有负型图案的自支撑陶瓷复合体的制造方法，该负型图案相反地复制了母金属前体的正图案，其上具有与适形填料床相配合的正图案部分。 还具有非复制部分的母体金属前体被熔化并与氧化剂反应以形成多晶氧化反应产物，其仅主要仅从母体金属前体的正型图案部分和通过填料生长。 熔融母体金属通过生长的多晶材料被拉伸并在氧化剂和预先形成的氧化反应产物之间的界面处被氧化。 反应持续足够的时间以将填料至少部分地嵌入氧化反应产物中，并形成含有负型图案的陶瓷复合体，其反向复制母体金属前体的正型图案。